KmlDataSource

new Cesium.KmlDataSource()

处理KML标记语言（Keyhole Markup Language）的数据源。KML支持加载S3M、glTF格式的三维模型。
Example:
var viewer = new Cesium.Viewer('cesiumContainer');
viewer.dataSources.add(Cesium.KmlDataSource.load('../../SampleData/facilities.kmz'),
     {
         camera: viewer.scene.camera,
         canvas: viewer.scene.canvas
     });
See:

Members

changedEvent : Event

Get the event that will be raised when the underlying data changes.

clock : DataSourceClock

Get the clock settings defined by the loaded KML. Represents the availability interval for all time dynamic data. If KML does not contain time dynamic data, the value is undefined.

clustering : EntityCluster

Gets or sets the class options for the data source. Can be shared between multiple data sources.

entities : EntityCollection

Get a collection of Entity instances.

errorEvent : Event

Gets the event that will be raised when an error is encountered during processing.

isLoading : Boolean

Gets a value indicating whether the current data source is loading data.

loadingEvent : Event

Gets the event that will be raised when the data source starts or stops loading.

name : String

Get the readable name of the instance. Will automatically be set to the name of the loaded KML file.

refreshEvent : Event

Gets the event raised when the data source refreshes the network link.

show : Boolean

Gets whether the data source should be displayed.

unsupportedNodeEvent : Event

Gets the event raised when the data source finds a node type that is not supported.

Methods

staticCesium.KmlDataSource.importFile(data, options) → Promise.<KmlDataSource>

Import local KML files.
Name Type Description
data String KML file storage path.
options Object optional The object has the following properties:
Name Type Description
camera Camera Camera object.
canvas Canvas Canvas object.
Returns:
The import complete returns a KmlDataSource instance.

getVisibleInViewport(index) → Boolean

Get the visibility of the layer corresponding to the viewport.
Name Type Description
index Number index.
Returns:
Visible Visibility.
Throws:

load(data, options) → Promise.<KmlDataSource>

Load the KML layer as a URL.
Name Type Description
data String | Document | Blob The layer URL or BLOB containing the KML parsing document.
options Object optional The object has the following properties:
Name Type Description
camera Camera Camera object.
canvas Canvas Canvas object.
Returns:
When the KML is loaded, it returns a KmlDataSource instance.

setVisibleInViewport(index, visible)

Set the visibility of the layer corresponding to the viewport.
Name Type Description
index Number index.
visible Boolean Visibility.
Throws:

update(time)

Update all network links that need to be updated.
Name Type Description
time JulianDate Simulation time. True if the data source is displayed within the specified time, otherwise false.